Testing cassette



FIG. 1 is a perspective view of the testing cassette showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a side view thereof.

FIG. 5 is another side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the testing cassette which form no part of the claimed design. The dash-dot-dash lines represent the boundaries of the claim and form no part of the claimed design. 

CLAIM The ornamental design for a testing cassette, as shown and described. 